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The parameter marked by ’?’ in the diagram is _____

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in Aircraft Design by (701k points)
The parameter marked by ’?’ in the diagram is _____

(a) trailing edge

(b) leading edge

(c) chord

(d) camber

This question was addressed to me in an online quiz.

This key question is from Airfoil Selection-1 topic in section Airfoil and Geometry Selection of Aircraft Design

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The correct choice is (a) trailing edge

To explain I would say: The diagram is showing typical airfoil shape. The trailing edge of an airfoil is end point of the airfoil. It is most after portion of the airfoil as shown in the diagram. Leading edge in contrast, is foremost part of an airfoil.

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